Használati útmutató Microchip PIC24HJ64GP206
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© 2010 Microchip Technology Inc.DS70152H-page 1
dsPIC33F/PIC24H
1.0DEVICE OVERVIEW
This document defines the programming specification
for the dsPIC33F 16-bit Digital Signal Controller (DSC)
and PIC24H 16-bit Microcontroller (MCU) families. This
programming specification is required only for those
developing programming support for the dsPIC33F/
PIC24H family. Customers using only one of these
devices should use development tools that already
provide support for device programming.
Topics covered include:
1.0Device Overview.........................................................1
2.0Programming Overview of the dsPIC33F/PIC24H......1
3.0Device Programming – Enhanced ICSP.....................8
4.0The Programming Executive.....................................19
5.0Device Programming – ICSP....................................28
6.0Programming the Programming Executive
to Memory.................................................................45
7.0Device ID...................................................................50
8.0AC/DC Characteristics and Timing Requirements....54
Appendix A: Hex File Format..............................................57
Appendix B: Device ID Register Silicon Errata Addendum.58
Appendix C: Diagnostic and Calibration Registers.............59
Appendix D: Checksum Computation.................................61
Appendix E: Revision History..............................................74
2.0PROGRAMMING OVERVIEW
OF THE dsPIC33F/PIC24H
There are two methods of programming the dsPIC33F/
PIC24H family of devices discussed in this
programming specification. They are:
•In-Circuit Serial Programming™ (ICSP™)
programming capability
•Enhanced In-Circuit Serial Programming
The ICSP programming method is the most direct
method to program the device; however, it is also the
slower of the two methods. It provides native, low-level
programming capability to erase, program and verify
the chip.
The Enhanced ICSP protocol uses a faster method that
takes advantage of the programming executive, as
illustrated in . The programming executive
Figure2-1
provides all the necessary functionality to erase,
program and verify the chip through a small command
set. The command set allows the programmer to
program the dsPIC33F/PIC24H Programming
Specification devices without having to deal with the
low-level programming protocols of the chip.
FIGURE 2-1:PROGRAMMING SYSTEM
OVERVIEW FOR
ENHANCED ICSP™
This specification is divided into major sections that
describe the programming methods independently.
Section3.0 “Device Programming – Enhanced
ICSP”describes the Enhanced ICSP method.
Section5.0 “Device Programming – ICSP”
describes the ICSP method.
2.1Power Requirements
All devices in the dsPIC33F/PIC24H family are dual
voltage supply designs: one supply for the core and
another for the peripherals and I/O pins. A regulator is
provided on-chip to alleviate the need for two external
voltage supplies.
All of the dsPIC33F/PIC24H devices power their core
digital logic at a nominal 2.5V. To simplify system
design, all devices in the dsPIC33F/PIC24H
Programming Specification family incorporate an
on-chip regulator that allows the device to run its core
logic from VDD.
The regulator provides power to the core from the other
VDDpins. A low-ESR capacitor (such as tantalum) must
be connected to the VCAPpin (Figure2-2). This helps
to maintain the stability of the regulator. The
specifications for core voltage and capacitance are
listed in Section8.0 “AC/DC Characteristics and
Timing Requirements”.
dsPIC33F/PIC24H
ProgrammerProgramming
Executive
On-Chip Memory
dsPIC33F/PIC24H Flash Programming Specification
Termékspecifikációk
| Márka: | Microchip |
| Kategória: | nincs kategorizálva |
| Modell: | PIC24HJ64GP206 |
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